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New: sll_family required for bind() on AF_PACKET socket

Bug 100081 bugzilla-daemon-590EEB7GvNiWaY/[email protected] 1 participant 2 messages Jun 17, 2015 – Jun 18, 2015 1 message not in the archive Man-pages: manual pages for Linux -- Sections 2, 3, 4, 5, and 7

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bugzilla-daemon-590EEB7GvNiWaY/[email protected]

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https://bugzilla.kernel.org/show_bug.cgi?id=100081

Bug ID: 100081
Summary: sll_family required for bind() on AF_PACKET socket
Product: Documentation
Version: unspecified
Hardware: All
OS: Linux
Status: NEW
Severity: normal
Priority: P1
Component: man-pages
Assignee: documentation_man-pages-ztI5WcYan/[email protected]
Reporter: [email protected]
Regression: No

This is from "man 7 packet":

Quoted 1 line

When you send packets it is enough to specify sll_family, sll_addr, sll_halen, sll_ifindex. The other fields should be 0. sll_hatype and sll_pkttype are set on received packets for your information. For bind only sll_protocol and sll_ifindex are used.

However, the last sentence is not correct. You have to specifiy sll_family for bind() too, otherwise it will fail.

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A message that is not in the archive (sent off-list or not yet received): bug-100081-11311-3bo0kxnWaOQUvHkbgXJLS5sdmw4N0Rt+2LY78lusg7I@public.gmane.org/

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[Bug 100081] sll_family required for bind() on AF_PACKET socket

https://bugzilla.kernel.org/show_bug.cgi?id=100081

Michael Kerrisk <[email protected]> changed:

What |Removed |Added
----------------------------------------------------------------------------

             Status|NEW                         |RESOLVED
                 CC|                            |[email protected]
         Resolution|---                         |PATCH_ALREADY_AVAILABLE

--- Comment #1 from Michael Kerrisk <[email protected]> --- By chance, this was actually reported and fixed a few weeks ago, and the text that will appear in the next man-pages release is:

Fields used for binding are sll_family (should be AF_PACKET), sll_protocol, and sll_ifindex.

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